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Proceedings Paper

Wavelet description of dynamic speckle: application to the assessment of the drying of paint
Author(s): Margarita Fernandez Limia; Adriana Mavilio Nunez; Hector Jorge Rabal; Marcelo Trivi
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Paper Abstract

A methodology to dynamic speckle analysis by using the wavelet transform (WT) is developed. The optimal texture descriptors are determined. The time evolution of the speckle pattern is described through the behavior of the Mahalanobis distance. From the behavior of this distance function, two parameters are defined that characterize the evolution. An example devoted to the drying of paint assessment is presented.

Paper Details

Date Published: 14 August 2001
PDF: 4 pages
Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); doi: 10.1117/12.437236
Show Author Affiliations
Margarita Fernandez Limia, Instituto Superior Politecnico Jose Antonio Echeverria (Cuba)
Adriana Mavilio Nunez, Instituto Superior Politecnico Jose Antonio Echeverria (Cuba)
Hector Jorge Rabal, Univ. Nacional de La Plata (Argentina)
Marcelo Trivi, Univ. Nacional de La Plata (Argentina)


Published in SPIE Proceedings Vol. 4419:
4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications

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